<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script src="../../vue.js"></script>
</head>

<body>
    <div id="app">
        <input type="text" @keyup.enter="addshou" />
        <button @click="btn">点击</button>
    </div>
    <script>
        new Vue({
            el: "#app",
            data: {
                addshow: "",
            },
            methods: {
                btn(evt) {
                    console.log("input", evt.target.value);
                },
                addshou(evt) {
                    // console.log("keyup", evt.keyCode);
                    // if (evt.keyCode === 13) {
                    console.log("li add", evt.target.value);
                    // }
                },
            },
        });
    </script>
</body>

</html>